Box Three & Four Derailleur B-Screw with Plate - Box®

Box Three & Four Derailleur B-Screw with Plate

$3.99 Sale Save

Only 0 left in stock

SKUSP10-BX3/4-BSCREWPLATE

Replacement b-screw kit for updated Box Three and Four derailleurs

Includes:
(1) B-screw
(1) Plate

Box Three serial numbers 2039001 and higher
Box Four serial numbers 20380001 and higher